New changelog entries:
* New upstream release (Closes: #685855).
- All symbols from nettle-internal.c have been dropped from the built
library, and pkcs1_signature_prefix renamed with a leading underscore,
without SONAME change, as they were all for internal use only.
* debian/watch: Updated to handle -pre releases.

New changelog entries:
* New upstream release (Closes: #685855).
- All symbols from nettle-internal.c have been dropped from the built
library, and pkcs1_signature_prefix renamed with a leading underscore,
without SONAME change, as they were all for internal use only.
* debian/watch: Updated to handle -pre releases.